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LenaWriter [7]
3 years ago
15

P(5,12) find cosec theta?

Mathematics
1 answer:
TEA [102]3 years ago
7 0

Answer:

\frac{13}{12}

Step-by-step explanation:

p(5, \:  \: 12) = (x, \:  \: y) \\  \implies \: x = 5, \:  \: y = 12 \\  \because \:  {r}^{2}  =  {x}^{2}  +  {y}^{2}  \\  \therefore \:  {r}^{2}  =  {5}^{2}  +  {12}^{2}  = 25 + 144 = 169 \\ \therefore \:  {r} =  \sqrt{169}  \\ \therefore \:  {r} = 13 \\  \because \cosec \theta =  \frac{r}{y}  \\  \therefore \cosec \theta =  \frac{13}{12}   \\

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